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By o_sam_o
via sqlteam.com
Published: May 20 2008 / 12:56
Hierarchies are sometimes difficult to store in SQL tables...things like trees, threaded forums, org charts and the like...and it's usually even harder to retrieve the hierarchy once you do store it. Here's a method that's easy to understand and maintain, and gives you the full hierarchy (or any piece of it) very quickly and easily.
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